Engine exhaust treatment device housing



FIG. 1 is a perspective view of an engine exhaust treatment device housing of our design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The broken line showing of a portion of an engine exhaust treatment device housing is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for an engine exhaust treatment device housing, as shown and described. 